title: Purine biosynthesis and catabolism in soybean root nodules: incorporation of 14C from 14CO2 into xanthine.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism*; D002250:Carbon Radioisotopes; D010944:Plants / Q000378:metabolism*; D013056:Spectrophotometry, Ultraviolet; D014970:Xanthines / Q000378:metabolism*
chemical_list: D002250:Carbon Radioisotopes; D014970:Xanthines; D002245:Carbon Dioxide